20-15=18x-7

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Solution for 20-15=18x-7 equation:


Simplifying
20 + -15 = 18x + -7

Combine like terms: 20 + -15 = 5
5 = 18x + -7

Reorder the terms:
5 = -7 + 18x

Solving
5 = -7 + 18x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-18x' to each side of the equation.
5 + -18x = -7 + 18x + -18x

Combine like terms: 18x + -18x = 0
5 + -18x = -7 + 0
5 + -18x = -7

Add '-5' to each side of the equation.
5 + -5 + -18x = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -18x = -7 + -5
-18x = -7 + -5

Combine like terms: -7 + -5 = -12
-18x = -12

Divide each side by '-18'.
x = 0.6666666667

Simplifying
x = 0.6666666667

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